Finding the Fourth Proportional to 83,015.64, 124,449.49 and 30,412.82

Step by Step Solution

1. Step 1: Write the proportion equation
   83,015.64 : 124,449.49 = 30,412.82 : x
2. Step 2: Convert to fraction form
   83,015.64/124,449.49 = 30,412.82/x
3. Step 3: Cross multiply
   83,015.64x = 124,449.49 × 30,412.82
4. Step 4: Simplify right side
   83,015.64x = 3,784,860,287.60
5. Step 5: Solve for x
   x = 3,784,860,287.60/83,015.64
6. Step 6: Final answer
   x = 45,592.14